This weekend’s weather will be a mixed bag

Boston, MA- August 02, 2017: Russell Schneider carries his scull from the Charles River at Community Rowing, Inc. on August 02, 2017. The forecast calls for sunny skies with temperature in the high 80s.  (CRAIG F. WALKER/GLOBE STAFF) section: metro reporter:
–Craig F. Walker / The Boston Globe

The weather has been active this summer. The big gully washers earlier this week have been part of a season with adequate rainfall and not much in the way of sustained heat. This weekend we will break the pattern of humidity we’ve seen the past week or so. As a new air mass arrives Sunday, it will turn noticeably cooler and drier. However, another area of clouds and showers may impact the region Monday or Tuesday in this seemingly never ending flow of weather systems this season.

Friday will be typical of August

Friday will be a typical early August day with heat and humidity and the outside chance of a shower. Most shower activity will be confined to areas north and west of Boston and over northern New England.

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—NOAA

Saturday will be mixed, but not bad

A cold front will cross the area Saturday. It’s impossible to say if you will get a shower at your house on Saturday, but there is a risk of them. However, there’s also a chance you stay totally dry throughout the day. This is just the nature of scattered showers. I would not hesitate to keep outdoor plans; just keep an eye to the sky and the local radar.

A few showers will occur Saturday with seasonably warm readings. —NOAA

Drier with more sunshine Sunday

A new Canadian air mass will arrive Saturday night and set us up for a beauty on Sunday. Look for plenty of great weather and low humidity along with loads of sunshine. Highs will approach 80.

More showers early next week

More clouds and showers return early next week. Monday evening could see some heavy rain depending on the track and timing of a new storm. It will be cooler than average as well.

Follow David Epstein on Twitter @growingwisdom.